database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-08-08 14:22:09 +03:00
Code Activity

feat(CSEP): CSEP printer with indentations to simplify reading + rewriter skeleton + some test binary to describe minimalistic CSEP localy

Browse Source
This commit is contained in:
drrtuy
2025-06-05 10:06:54 +00:00
parent 3a91cded27
commit 79008f4f69
7 changed files with 1046 additions and 843 deletions
Download Patch File Download Diff File Expand all files Collapse all files

96
dbcon/execplan/calpontselectexecutionplan.cpp
View File

@@ -193,51 +193,64 @@ void CalpontSelectExecutionPlan::havingTokenList(const FilterTokenList& havingTo
having(parser.parse(tokens.begin(), tokens.end()));
}
string CalpontSelectExecutionPlan::toString() const
std::string endlWithIndent(const size_t ident)
{
ostringstream output;
output << endl;
output << std::string(ident, ' ');
return output.str();
}
string CalpontSelectExecutionPlan::toString(const size_t ident) const
{
ostringstream output;
output << ">SELECT ";
output << std::string(ident, ' ') << "SELECT ";
if (distinct())
{
output << "DISTINCT ";
}
output << "limit: " << limitStart() << " - " << limitNum() << endl;
output << "limit: " << limitStart() << " - " << limitNum() << endlWithIndent(ident);
switch (location())
{
case CalpontSelectExecutionPlan::MAIN: output << "MAIN" << endl; break;
case CalpontSelectExecutionPlan::MAIN: output << "MAIN" << endlWithIndent(ident); break;
case CalpontSelectExecutionPlan::FROM: output << "FROM" << endl; break;
case CalpontSelectExecutionPlan::FROM: output << "FROM" << endlWithIndent(ident); break;
case CalpontSelectExecutionPlan::WHERE: output << "WHERE" << endl; break;
case CalpontSelectExecutionPlan::WHERE: output << "WHERE" << endlWithIndent(ident); break;
case CalpontSelectExecutionPlan::HAVING: output << "HAVING" << endl; break;
case CalpontSelectExecutionPlan::HAVING: output << "HAVING" << endlWithIndent(ident); break;
}
// Returned Column
CalpontSelectExecutionPlan::ReturnedColumnList retCols = returnedCols();
output << ">>Returned Columns" << endl;
output << ">>Returned Columns" << endlWithIndent(ident);
output << std::string(ident, ' ');
uint32_t seq = 0;
for (unsigned int i = 0; i < retCols.size(); i++)
{
output << *retCols[i] << endl;
output << *retCols[i] << endlWithIndent(ident);
if (retCols[i]->colSource() & SELECT_SUB)
{
output << "select sub -- " << endl;
output << "select sub -- " << endlWithIndent(ident);
CalpontSelectExecutionPlan* plan =
dynamic_cast<CalpontSelectExecutionPlan*>(fSelectSubList[seq++].get());
if (plan)
output << "{" << *plan << "}" << endl;
output << "{" << plan->toString(ident + 2) << "}" << endlWithIndent(ident);
}
}
// From Clause
CalpontSelectExecutionPlan::TableList tables = tableList();
output << ">>From Tables" << endl;
output << ">>From Tables" << endlWithIndent(ident);
output << std::string(ident, ' ');
seq = 0;
for (unsigned int i = 0; i < tables.size(); i++)
@@ -245,42 +258,55 @@ string CalpontSelectExecutionPlan::toString() const
// derived table
if (tables[i].schema.length() == 0 && tables[i].table.length() == 0)
{
output << "derived table - " << tables[i].alias << endl;
output << "derived table - " << tables[i].alias << endlWithIndent(ident);
CalpontSelectExecutionPlan* plan =
dynamic_cast<CalpontSelectExecutionPlan*>(fDerivedTableList[seq++].get());
if (plan)
output << "{" << *plan << "}" << endl;
{
output << "{" << plan->toString(ident + 2) << "}" << endlWithIndent(ident);
}
output << std::string(ident, ' ');
}
else
{
output << tables[i] << endl;
output << std::string(ident, ' ');
}
}
// Filters
output << ">>Filters" << endl;
output << ">>Filters" << endlWithIndent(ident);
output << std::string(ident, ' ');
if (filters() != nullptr)
filters()->walk(ParseTree::print, output);
else
output << "empty filter tree" << endl;
output << "empty filter tree" << endlWithIndent(ident);
output << std::string(ident, ' ');
// Group by columns
const CalpontSelectExecutionPlan::GroupByColumnList& gbc = groupByCols();
if (gbc.size() > 0)
{
output << ">>Group By Columns" << endl;
output << ">>Group By Columns" << endlWithIndent(ident);
output << std::string(ident, ' ');
for (unsigned int i = 0; i < gbc.size(); i++)
output << *gbc[i] << endl;
{
output << *gbc[i] << endlWithIndent(ident);
}
output << std::string(ident, ' ');
}
// Having
if (having() != nullptr)
{
output << ">>Having" << endl;
output << ">>Having" << endlWithIndent(ident);
output << std::string(ident, ' ');
having()->walk(ParseTree::print, output);
}
@@ -289,39 +315,39 @@ string CalpontSelectExecutionPlan::toString() const
if (obc.size() > 0)
{
output << ">>Order By Columns" << endl;
output << ">>Order By Columns" << endlWithIndent(ident);
for (unsigned int i = 0; i < obc.size(); i++)
output << *obc[i] << endl;
output << *obc[i] << endlWithIndent(ident);
}
output << "SessionID: " << fSessionID << endl;
output << "TxnID: " << fTxnID << endl;
output << "VerID: " << fVerID << endl;
output << "TraceFlags: " << fTraceFlags << endl;
output << "StatementID: " << fStatementID << endl;
output << "DistUnionNum: " << (int)fDistinctUnionNum << endl;
output << "Limit: " << fLimitStart << " - " << fLimitNum << endl;
output << "String table threshold: " << fStringTableThreshold << endl;
output << "SessionID: " << fSessionID << endlWithIndent(ident);
output << "TxnID: " << fTxnID << endlWithIndent(ident);
output << "VerID: " << fVerID << endlWithIndent(ident);
output << "TraceFlags: " << fTraceFlags << endlWithIndent(ident);
output << "StatementID: " << fStatementID << endlWithIndent(ident);
output << "DistUnionNum: " << (int)fDistinctUnionNum << endlWithIndent(ident);
output << "Limit: " << fLimitStart << " - " << fLimitNum << endlWithIndent(ident);
output << "String table threshold: " << fStringTableThreshold << endlWithIndent(ident);
output << "--- Column Map ---" << endl;
output << "--- Column Map ---" << endlWithIndent(ident);
CalpontSelectExecutionPlan::ColumnMap::const_iterator iter;
for (iter = columnMap().begin(); iter != columnMap().end(); iter++)
output << (*iter).first << " : " << (*iter).second << endl;
output << (*iter).first << " : " << (*iter).second << endlWithIndent(ident);
output << "UUID: " << fUuid << endl;
output << "QueryType: " << queryType() << endl;
output << "UUID: " << fUuid << endlWithIndent(ident);
output << "QueryType: " << queryType() << endlWithIndent(ident);
if (!unionVec().empty())
output << "\n--- Union Unit ---" << endl;
output << "\n--- Union Unit ---" << endlWithIndent(ident);
for (unsigned i = 0; i < unionVec().size(); i++)
{
CalpontSelectExecutionPlan* plan = dynamic_cast<CalpontSelectExecutionPlan*>(unionVec()[i].get());
if (plan)
output << "{" << *plan << "}\n" << endl;
output << "{" << *plan << "}\n" << endlWithIndent(ident);
}
return output.str();